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Blizzard [7]
3 years ago
6

What property do you use to solve (–5 • 7)25 = x(7 • 25)

Mathematics
2 answers:
alexdok [17]3 years ago
3 0
X=-5
-875=x•7•25
-875=175x
-875/175
-5
solmaris [256]3 years ago
3 0
–5 • 7 = –35

–35 • 25 = –875

so

–875 = x(7 • 25)

–875 = 175x

–875/175 = 175x/175

–5 = x

x = –5

<span>Check:

</span>
–875 = –5(7 • 25)
<span>
</span>
–875 = –5(175)

–875 = –875



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Desiree works 28 hours per week. She has a monthly income of $120 from investments. Desiree also plays in a band one night a wee
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So hmmm let's see
she has a monthly income of 120 from investments, now, there are 12 months in a year, so her yearly income from investments are 120*12 or
$1440

she plays on a band, and makes 200 a week, now, there are 52 weeks in a year, so her yearly income from band playing is 200 * 52, or
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her total annual income is 49696, now, if we subtract the band and investment income, we'd be left over with only what comes from her job payrate
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so, she makes from her job, $37856 annually

now, she only works 28 hours weekly, how much is that yearly?   well, 52 weeks in a year, she works 28*52 hours a year, let us divide 37856 by that

37856 ÷ ( 28 * 52)   well, it ends up as 26

so, her hourly payrate is $26 per hour

now, she wants to ask for a raise, to make 51880 annually

well, if we check the difference of 51880 and 49696, that'd leave us with the difference in pay, or the raise annual amount

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7 0
3 years ago
Read 2 more answers
SOMEONE PLS HELP ME I WILL MAKE U BRAINLIST ! In a survey sample of 83 respondents, about 30.1 percent of the samplework less th
nignag [31]

Answer:

Answer = √(0.301 × 0.699 / 83) ≈ 0.050

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Step-by-step explanation:

√(0.301 × 0.699 / 83) ≈ 0.050

We have a large sample size of n = 83 respondents. Let p be the true proportion of persons who work less than 40 hours per week. A point estimate of p is  because about 30.1 percent of the sample work less than 40 hours per week. We can estimate the standard deviation of  as . A  confidence interval is given by , then, a 68% confidence interval is , i.e., , i.e., (0.251, 0.351).  is the value that satisfies that there is an area of 0.16 above this and under the standard normal curve.The standard error for a proportion is √(pq/n), where q=1−p.

Hope this answer helps you :)

Have a great day

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6 0
3 years ago
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Zigmanuir [339]

Answer:

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Answer:

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